package com.chenliang.thread.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

/**
 * @program: springboot_thread_002
 * @description:
 * @author: 陈亮
 * @create: 2022-05-15 22:05
 */
@Configuration
public class ThreadPoolExecutorConfig {

    /**
     * 直接构建springboot封装的配置线程池
     */
    @Bean("chenLiangPool")
    public TaskExecutor checkExecutor() {

        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(8);
        // 设置最大线程数
        executor.setMaxPoolSize(16);
        // 设置队列容量
        executor.setQueueCapacity(50);
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        // 设置默认线程名称
        executor.setThreadNamePrefix("chenliang-");
        // 设置拒绝策略
//    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
//    executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.initialize(); // 这个应该要添加 初始化池子的
        return executor;
    }
}
